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Standard O-Rings are available in 369 sizes as set up by the Aerospace Standard 568 published by the Society of Automotive Engineers. These sizes are designated by dash numbers shown on the 568 DASH Chart and are standardized by imperial dimensions. Standard O-Rings are specified by their inside diameter and cross section width. AS568 is the most commonly used standard in the U.S. for aerospace, automotive and general industrial applications. For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart. EP is also known as: Eythylene Propylene, EPR, EPDM, EPT, E.

EP is an elastomer which is characterized by wide range of applications and good chemical resistance. Ethylene propylene compounds have good resistance to detergents, alkalis, mild acids, greases, silicone oils, and alcohols.
AS568 Buna O-Rings
Unit of Measure
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Item #

IntegrationID

Type

Material

Cross Section Width

Durometer

Inside Diameter

Cross Section Tolerance +/-

Inside Diameter Tolerance +/-

Size Reference - AS568

Alternate P/N

Units of Measure

Tube Size O.D.

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O-Ring Industries

Quantity
-152 EP-70 N/A
190597 		N/A N/A N/A 0.103 in N/A 70 N/A 82.22 mm3.237 in N/A 0.003 in0.08 mm N/A 0.024 in0.61 mm N/A -152 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.v
-153 EP-70 N/A
190598 		N/A N/A N/A 0.103 in N/A 70 N/A 88.57 mm3.487 in N/A 0.003 in0.08 mm N/A 0.024 in0.61 mm N/A -153 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-154 EP-70 N/A
190599 		N/A N/A N/A 0.103 in N/A 70 N/A 94.92 mm3.737 in N/A 0.003 in0.08 mm N/A 0.028 in0.71 mm N/A -154 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-155 EP-70 N/A
190600 		N/A N/A N/A 0.103 in N/A 70 N/A 101.27 mm3.987 in N/A 0.003 in0.08 mm N/A 0.028 in0.71 mm N/A -155 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-156 EP-70 N/A
190601 		N/A N/A N/A 0.103 in N/A 70 N/A 107.62 mm4.237 in N/A 0.003 in0.08 mm N/A 0.030 in0.76 mm N/A -156 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-157 EP-70 N/A
190602 		N/A N/A N/A 0.103 in N/A 70 N/A 113.97 mm4.487 in N/A 0.003 in0.08 mm N/A 0.030 in0.76 mm N/A -157 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-158 EP-70 N/A
190603 		N/A N/A N/A 0.103 in N/A 70 N/A 120.32 mm4.737 in N/A 0.003 in0.08 mm N/A 0.030 in0.76 mm N/A -158 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-159 EP-70 N/A
190604 		N/A N/A N/A 0.103 in N/A 70 N/A 126.67 mm4.987 in N/A 0.003 in0.08 mm N/A 0.035 in0.89 mm N/A -159 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-160 EP-70 N/A
190605 		N/A N/A N/A 0.103 in N/A 70 N/A 133.02 mm5.237 in N/A 0.003 in0.08 mm N/A 0.035 in0.89 mm N/A -160 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-161 EP-70 N/A
190606 		N/A N/A N/A 0.103 in N/A 70 N/A 139.37 mm5.487 in N/A 0.003 in0.08 mm N/A 0.035 in0.89 mm N/A -161 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-162 EP-70 N/A
190607 		N/A N/A N/A 0.103 in N/A 70 N/A 145.72 mm5.737 in N/A 0.003 in0.08 mm N/A 0.035 in0.89 mm N/A -162 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-163 EP-70 N/A
190608 		N/A N/A N/A 0.103 in N/A 70 N/A 152.07 mm5.987 in N/A 0.003 in0.08 mm N/A 0.035 in0.89 mm N/A -163 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-164 EP-70 N/A
190609 		N/A N/A N/A 0.103 in N/A 70 N/A 158.42 mm6.237 in N/A 0.003 in0.08 mm N/A 0.040 in1.02 mm N/A -164 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-165 EP-70 N/A
190610 		N/A N/A N/A 0.103 in N/A 70 N/A 164.77 mm6.487 in N/A 0.003 in0.08 mm N/A 0.040 in1.02 mm N/A -165 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-166 EP-70 N/A
190611 		N/A N/A N/A 0.103 in N/A 70 N/A 171.12 mm6.737 in N/A 0.003 in0.08 mm N/A 0.040 in1.02 mm N/A -166 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.v
-167 EP-70 N/A
190612 		N/A N/A N/A 0.103 in N/A 70 N/A 177.47 mm6.987 in N/A 0.003 in0.08 mm N/A 0.040 in1.02 mm N/A -167 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-168 EP-70 N/A
190613 		N/A N/A N/A 0.103 in N/A 70 N/A 183.82 mm7.237 in N/A 0.003 in0.08 mm N/A 0.045 in1.14 mm N/A -168 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-169 EP-70 N/A
190614 		N/A N/A N/A 0.103 in N/A 70 N/A 190.17 mm7.487 in N/A 0.003 in0.08 mm N/A 0.045 in1.14 mm N/A -169 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-170 EP-70 N/A
190615 		N/A N/A N/A 0.103 in N/A 70 N/A 196.52 mm7.737 in N/A 0.003 in0.08 mm N/A 0.045 in1.14 mm N/A -170 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-171 EP-70 N/A
190616 		N/A N/A N/A 0.103 in N/A 70 N/A 202.87 mm7.987 in N/A 0.003 in0.08 mm N/A 0.045 in1.14 mm N/A -171 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-172 EP-70 N/A
190617 		N/A N/A N/A 0.103 in N/A 70 N/A 209.22 mm8.237 in N/A 0.003 in0.08 mm N/A 0.050 in1.25 mm N/A -172 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-173 EP-70 N/A
190618 		N/A N/A N/A 0.103 in N/A 70 N/A 215.57 mm8.487 in N/A 0.003 in0.08 mm N/A 0.050 in1.25 mm N/A -173 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-174 EP-70 N/A
190619 		N/A N/A N/A 0.103 in N/A 70 N/A 221.92 mm8.737 in N/A 0.003 in0.08 mm N/A 0.050 in1.25 mm N/A -174 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-175 EP-70 N/A
190620 		N/A N/A N/A 0.103 in N/A 70 N/A 228.27 mm8.987 in N/A 0.003 in0.08 mm N/A 0.050 in1.25 mm N/A -175 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
-176 EP-70 N/A
190621 		N/A N/A N/A 0.103 in N/A 70 N/A 234.62 mm9.237 in N/A 0.003 in0.08 mm N/A 0.055 in1.40 mm N/A -176 N/A N/A N/A N/A N/A O-rings are used in the military defense and agriculture industries.
Unit of Measure
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